Figure 3. The hemolytic, antioxidant activities and stability of OA-GL21.

(A) At the same concentrations of cellular wound healing activity assay, OA-GL21 showed no hemolytic activity against human blood cells. (B) OA-GL21 showed scavenging activity against free radical ABTS⁺ in a dose-dependent manner when at the concentrations ranging from 10 to 500 µM. (C) OA-GL21 showed no obvious scavenging activity against free radical DPPH. (D) OA-GL21 was highly stable at 4°C and began to decrease after 4 days but also maintained above 60% within 10 days at a higher temperature (37°C). Data are means ± S.E.M. of six independent experiments. **P<0.01 and ***P<0.0001 indicate significant difference from the control or H₂O (Student’s ttests).